/*
   FieldVis - A Tool for Visualizing Astrophysical Magnetohydrodynamic Flow
   
   Copyright (C) 2006 - 2008     FieldVis Development Team
  
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.
  
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
  
   You should have received a copy of the GNU General Public License along
   with this program; if not, write to the Free Software Foundation, Inc.,
   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

   File        : BoundingBox.cpp
   Author      : Jeremy Moc  (mocj@msi.umn.edu)

   Description : Container for the bounding box shown in the client window.
*/

#include <GL/gl.h>

#include "BoundingBox.h"


void BoundingBox::Draw()
{
   if (draw_)
   {
      glPushAttrib(GL_ENABLE_BIT);
      glDisable(GL_LIGHTING);
      glDisable(GL_TEXTURE_2D);

      // draw the bounding box and color the axes
      glBegin(GL_LINES);
      glColor4f(1.0f, 0.0f, 0.0f, 1.0f);
      glVertex3f(0.0f, 0.0f, 0.0f);
      glVertex3f(x_, 0.0f, 0.0f);

      glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
      glVertex3f(0.0f, y_, 0.0f);
      glVertex3f(x_, y_, 0.0f);
      glVertex3f(0.0f, y_, z_);
      glVertex3f(x_, y_, z_);
      glVertex3f(0.0f, 0.0f, z_);
      glVertex3f(x_, 0.0f, z_);

      glColor4f(0.0f, 1.0f, 0.0f, 1.0f);
      glVertex3f(0.0f, 0.0f, 0.0f);
      glVertex3f(0.0f, y_, 0.0f);

      glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
      glVertex3f(x_, 0.0f, 0.0f);
      glVertex3f(x_, y_, 0.0f);
      glVertex3f(x_, 0.0f, z_);
      glVertex3f(x_, y_, z_);
      glVertex3f(0.0f, 0.0f, z_);
      glVertex3f(0.0f, y_, z_);

      glColor4f(0.0f, 0.0f, 1.0f, 1.0f);
      glVertex3f(0.0f, 0.0f, 0.0f);
      glVertex3f(0.0f, 0.0f, z_);

      glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
      glVertex3f(x_, 0.0f, 0.0f);
      glVertex3f(x_, 0.0f, z_);
      glVertex3f(x_, y_, 0.0f);
      glVertex3f(x_, y_, z_);
      glVertex3f(0.0f, y_, 0.0f);
      glVertex3f(0.0f, y_, z_);
      glEnd();

      glPopAttrib();
   }
}


